Other Chemistry Answers

In the reaction between aluminum and oxygen to form aluminum oxide, how many
grams of aluminum will react with 10.0 L of oxygen at 735 mm Hg and 10º C?

If a metal M reacts with hydrochloric acid to form a metal chloride with formula MCl2 and hydrogen gas what is the chemical equation for the reaction?

discribe the preparation of 900ml of 3M hno3- from a commercial reagent that is 69% hno3- and has a specefic gravity 1.42 solution

What is the molarity of a 500 mL solution containing 249 g of KI?

200 mL of a 2.5 mole/L pf a solution of phosphoric acid reacts with 300 mL of a 3.0 mole/L solution of a potassium hydroxide. The reaction occurs in a glass calorimeter of mass 1000 g. Calculate the energy released and the temperature change which the calorimeter will undergo.

Determine the pH of the equivalence point for a reaction in which 0.100 mol/L NaOH neutralizes 10.0 mL of 0.250 mol/L HF.

The Ka for methanoic acid, the chemical that causes the sting in insect bites, is 1.8 x 10^-4. Calculate the pH of a 0.40 mol/L methanoic acid solution.

Quinine is a weak base that is used to flavour tonic water and treat malaria. The Kb for quinine is 3.3 x 10^-6. Calculate the pH of a 1.7 x 10^-2 mol/L solution of quinine.

Propanoic acid is a weak acid used to inhibit mould formation in bread. A 0.10 mol/L solution of propanoic acid has a pH of 2.96. Calculate the Ka for the propanoic acid.

The pH of a 0.32 mol/L weak base solution is 9.8. Calculate the Kb of this base.